866625092 has 12 divisors (see below), whose sum is σ = 1520495340. Its totient is φ = 432197856.

The previous prime is 866625091. The next prime is 866625113. The reversal of 866625092 is 290526668.

866625092 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 622203136 + 244421956 = 24944^2 + 15634^2 .

It is not an unprimeable number, because it can be changed into a prime (866625091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 276923 + ... + 280034.

It is an arithmetic number, because the mean of its divisors is an integer number (126707945).

Almost surely, 2^866625092 is an apocalyptic number.

It is an amenable number.

866625092 is a deficient number, since it is larger than the sum of its proper divisors (653870248).

866625092 is a wasteful number, since it uses less digits than its factorization.

866625092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557350 (or 557348 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 866625092 is about 29438.4967686871. The cubic root of 866625092 is about 953.4042563283.

The spelling of 866625092 in words is "eight hundred sixty-six million, six hundred twenty-five thousand, ninety-two".